void Ctrl::WndUpdate(const Rect& r)
{
GuiLock __;
LLOG("WndUpdate " << UPP::Name(this));
Ctrl *top = GetTopCtrl();
if(top->IsOpen()) {
HWND hwnd = top->GetHWND();
HDC hdc = GetDC(hwnd);
HRGN hrgn = CreateRectRgn(0, 0, 0, 0);
if(GetUpdateRgn(hwnd, hrgn, FALSE) != NULLREGION) {
SelectClipRgn(hdc, hrgn);
SystemDraw draw(hdc);
bool hcr = focusCtrl && focusCtrl->GetTopCtrl() == top &&
caretRect.Intersects(r + top->GetRect().TopLeft());
if(hcr) ::HideCaret(hwnd);
draw.Clip(r);
top->UpdateArea(draw, r);
ValidateRect(hwnd, r);
SelectClipRgn(hdc, NULL);
if(hcr) ::ShowCaret(hwnd);
}
ReleaseDC(hwnd, hdc);
DeleteObject(hrgn);
}
}
void Ctrl::StartGrabPopup()
{
if(activePopup.GetCount() && !grabpopup) {
Ctrl *w = activePopup[0];
if(w && w->IsOpen()) {
ReleaseWndCapture0();
static GdkCursor *NormalArrowCursor;
ONCELOCK {
NormalArrowCursor = gdk_cursor_new(GDK_LEFT_PTR);
}
if(gdk_pointer_grab(w->gdk(), FALSE,
GdkEventMask(GDK_BUTTON_RELEASE_MASK|GDK_BUTTON_PRESS_MASK|GDK_POINTER_MOTION_MASK),
NULL, NormalArrowCursor, CurrentTime) == GDK_GRAB_SUCCESS)
grabpopup = w;
}
void Ctrl::SetMouseCursor(const Image& image)
{
LLOG("SetMouseCursor");
GuiLock __;
int64 id = image.GetSerialId();
Ctrl *topctrl = NULL;
Top *top = NULL;
if(mouseCtrl)
topctrl = mouseCtrl->GetTopCtrl();
else
topctrl = GetActiveCtrl();
if(topctrl)
top = topctrl->top;
if(top && id != top->cursor_id) {
top->cursor_id = id;
int64 aux = image.GetAuxData();
GdkCursor *c = NULL;
if(aux)
c = gdk_cursor_new((GdkCursorType)(aux - 1));
else
if(IsNull(image))
c = gdk_cursor_new(GDK_BLANK_CURSOR);
else {
Point p = image.GetHotSpot();
ImageGdk m;
m.Set(image);
GdkPixbuf *pb = m;
if(pb)
c = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pb, p.x, p.y);
}
if(c && topctrl->IsOpen()) {
gdk_window_set_cursor(topctrl->gdk(), c);
gdk_cursor_unref(c);
gdk_flush(); // Make it visible immediately
}
}
}